U Series CE Family Product Manual, Rev. A | 25 | |||
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Word | Description |
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0 | Configuration information: |
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| • Bit 15: 0 = ATA; 1 = ATAPI |
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| • Bit 7: removable media |
| 0C5AH | |
| • Bit 6: removable controller |
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| • Bit 0: reserved |
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1 | Number of logical cylinders |
| 16,383 |
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2 |
| 0000H | ||
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3 | Number of logical heads |
| 16 |
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4 | Retired |
| 0000H | |
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5 | Retired |
| 0000H | |
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6 | Number of logical sectors per |
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| logical track: 63 |
| 003FH | |
Retired |
| 0000H | ||
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Serial number: (20 ASCII |
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| characters, 0000H = none) |
| ASCII | |
20 | Retired |
| 0000H | |
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21 | Retired |
| 0400H | |
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22 | Obsolete |
| 0004H | |
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Firmware revision (8 ASCII |
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| character string, padded with |
| x.xx | |
| blanks to end of string) |
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Drive model number: (40 |
| ST380020ACE | ||
| ASCII characters, padded |
| ST360020ACE | |
| with blanks to end of string) |
| ST340810ACE | |
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| ST320410ACE | ||
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47 | Maximum sectors per inter- |
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| rupt on Read multiple and |
| 8020H | |
| Write multiple (32) |
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48 | Reserved |
| 0000H | |
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49 | Standard Standby timer, |
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| IORDY supported and may |
| 2F00H | |
| be disabled |
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